# GLM-5.3

> GLM-5.3 is Z.AI's reasoning model for coding and agentic workflows, built for complex software engineering, long-running agents, and vulnerability analysis. It uses the same base model as GLM-5.2 with scaled post-training for stronger coding performance, task execution, and token efficiency.

**ID**: `z-ai/glm-5.3`  
**Creator**: Zhipu AI  
**Category**: text  
**Context**: 1M tokens  
**Pricing**: $0.06 / $0.22 per 1M · billed by your provider (BYOK)  
**Released**: 2026-08-14  
**Web page**: https://anyrouter.dev/model/z-ai/glm-5.3

**Input modalities**: text  
**Output modalities**: text  

**Tokenizer**: GLM

**Capabilities**: chat, reasoning, streaming, function-calling, thinking, coding

**Aliases**: `zai-org/glm-5.3`

## Usage

**Endpoint**: `POST https://anyrouter.dev/api/v1/chat/completions`

```bash
curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "z-ai/glm-5.3",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'
```

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| aihubmix-byok | $0.06/M (list) | $0.22/M (list) |
| router-byok | $1.40/M (list) | $4.40/M (list) |

BYOK routes are billed by your own provider key — AnyRouter charges $0. Rates marked (list) are the provider's published list price.